22 February 2007 Limiting effects of four-wave-mixing in high-power pulsed-fiber amplifiers
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We present an experimental and theoretical analysis of four-wave-mixing (FWM) in nanosecond pulsed fiber amplifiers FWM leads to a saturation of the in-band amplified pulse energy and to distortions of the spectral and temporal profiles, and it is the main limiting effect in the ~1 ns temporal regime. A simple model considering both Raman and FWM contributions provides a good description of the measured behaviours, allowing optimization and design tradeoffs to be explored for mitigating FWM.
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Jean-Philippe Fève, Jean-Philippe Fève, Paul E. Schrader, Paul E. Schrader, Roger L. Farrow, Roger L. Farrow, Dahv A. V. Kliner, Dahv A. V. Kliner, } "Limiting effects of four-wave-mixing in high-power pulsed-fiber amplifiers", Proc. SPIE 6453, Fiber Lasers IV: Technology, Systems, and Applications, 64531P (22 February 2007); doi: 10.1117/12.701817; https://doi.org/10.1117/12.701817

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